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    231 Products

    Steel Socket Head Screws

    Image of Product. Front orientation. Socket Head Screws. Steel Socket Head Screws, Fully Threaded.
    Image of Product. Front orientation. Socket Head Screws. Steel Socket Head Screws, Partially Threaded.

    Fully Threaded

    Partially Threaded

    Made of alloy steel, these screws are the standard for high-strength fastening. Use them in high-load applications such as dies, presses, and heavy equipment. The deep, six-point socket keeps the hex key from slipping out and damaging the drive.
    Length is measured from under the head.
    Zinc-Flake-Coated Alloy Steel—The coating is tested to extreme standards, including at least 700 hours of salt spray resistance, to hold up in wet and outdoor environments.
    Head
    Lg.
    Dia.
    Ht.
    Threading
    Thread
    Spacing
    Tensile Strength,
    psi
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Zinc-Flake-Coated Alloy Steel
     
    6-32
    1/4"0.226"0.138"Fully ThreadedCoarse
    170,0002591274A004000000
    3/8"0.226"0.138"Fully ThreadedCoarse
    170,0002591274A00800000
    1/2"0.226"0.138"Fully ThreadedCoarse
    170,0002591274A0120000
    5/8"0.226"0.138"Fully ThreadedCoarse
    170,0002591274A01600000
    3/4"0.226"0.138"Fully ThreadedCoarse
    170,0002591274A02000000
    7/8"0.226"0.138"Fully ThreadedCoarse
    170,0002591274A02400000
    1"0.226"0.138"Fully ThreadedCoarse
    170,0002591274A02800000
    1 1/4"0.226"0.138"Partially ThreadedCoarse
    170,0002591274A03200000
    1 1/2"0.226"0.138"Partially ThreadedCoarse
    170,0002591274A03600000
    1 3/4"0.226"0.138"Partially ThreadedCoarse
    170,0002591274A04000000
    2"0.226"0.138"Partially ThreadedCoarse
    170,0002591274A04400000
     
    8-32
    1/4"0.27"0.164"Fully ThreadedCoarse
    170,0005091274A04800000
    3/8"0.27"0.164"Fully ThreadedCoarse
    170,0005091274A0520000
    1/2"0.27"0.164"Fully ThreadedCoarse
    170,0005091274A05600000
    5/8"0.27"0.164"Fully ThreadedCoarse
    170,0005091274A0600000
    3/4"0.27"0.164"Fully ThreadedCoarse
    170,0005091274A06400000
    7/8"0.27"0.164"Fully ThreadedCoarse
    170,0005091274A06800000
    1"0.27"0.164"Fully ThreadedCoarse
    170,0005091274A07200000
    1 1/4"0.27"0.164"Partially ThreadedCoarse
    170,0005091274A07600000
    1 1/2"0.27"0.164"Partially ThreadedCoarse
    170,0002591274A0800000
    1 3/4"0.27"0.164"Partially ThreadedCoarse
    170,0002591274A08400000
    2"0.27"0.164"Partially ThreadedCoarse
    170,0002591274A08800000
    2 1/2"0.27"0.164"Partially ThreadedCoarse
    170,0001091274A09200000
     
    10-24
    1/4"5/16"0.19"Fully ThreadedCoarse
    170,0002591274A0960000
    3/8"5/16"0.19"Fully ThreadedCoarse
    170,0005091274A1000000
    1/2"5/16"0.19"Fully ThreadedCoarse
    170,0005091274A1040000
    5/8"5/16"0.19"Fully ThreadedCoarse
    170,0005091274A1080000
    3/4"5/16"0.19"Fully ThreadedCoarse
    170,0005091274A11200000
    7/8"5/16"0.19"Fully ThreadedCoarse
    170,0005091274A11600000
    1"5/16"0.19"Fully ThreadedCoarse
    170,0005091274A1200000
    1 1/4"5/16"0.19"Partially ThreadedCoarse
    170,0002591274A1240000
    1 1/2"5/16"0.19"Partially ThreadedCoarse
    170,0005091274A12800000
    1 3/4"5/16"0.19"Partially ThreadedCoarse
    170,0002591274A13200000
    2"5/16"0.19"Partially ThreadedCoarse
    170,0002591274A13600000
    2 1/4"5/16"0.19"Partially ThreadedCoarse
    170,0001091274A14000000
    2 1/2"5/16"0.19"Partially ThreadedCoarse
    170,0001091274A14400000
     
    10-32
    3/8"5/16"0.19"Fully ThreadedFine
    170,0005091274A1710000
    1/2"5/16"0.19"Fully ThreadedFine
    170,0005091274A1730000
    3/4"5/16"0.19"Fully ThreadedFine
    170,0005091274A17400000
    1"5/16"0.19"Partially ThreadedFine
    170,0005091274A17500000
     
    1/4"-20
    1/4"3/8"1/4"Fully ThreadedCoarse
    170,0002591274A14800000
    3/8"3/8"1/4"Fully ThreadedCoarse
    170,0005091274A15200000
    1/2"3/8"1/4"Fully ThreadedCoarse
    170,0005091274A15600000
    5/8"3/8"1/4"Fully ThreadedCoarse
    170,0005091274A16000000
    3/4"3/8"1/4"Fully ThreadedCoarse
    170,0005091274A16400000
    7/8"3/8"1/4"Fully ThreadedCoarse
    170,0005091274A16800000
    1"3/8"1/4"Fully ThreadedCoarse
    170,0005091274A17200000
    1 1/4"3/8"1/4"Fully ThreadedCoarse
    170,0005091274A17600000
    1 1/2"3/8"1/4"Partially ThreadedCoarse
    170,0002591274A1800000
    1 3/4"3/8"1/4"Partially ThreadedCoarse
    170,0002591274A18400000
    2"3/8"1/4"Partially ThreadedCoarse
    170,0002591274A18800000
    2 1/4"3/8"1/4"Partially ThreadedCoarse
    170,0002591274A19200000
    2 1/2"3/8"1/4"Partially ThreadedCoarse
    170,0002591274A19600000
    2 3/4"3/8"1/4"Partially ThreadedCoarse
    170,0001091274A2000000
    3"3/8"1/4"Partially ThreadedCoarse
    170,0001091274A2080000
    3 1/4"3/8"1/4"Partially ThreadedCoarse
    170,0001091274A21200000
    3 1/2"3/8"1/4"Partially ThreadedCoarse
    170,0001091274A21600000
    3 3/4"3/8"1/4"Partially ThreadedCoarse
    170,0001091274A22000000
    4"3/8"1/4"Partially ThreadedCoarse
    170,0001091274A20400000
     
    1/4"-28
    3/8"3/8"1/4"Fully ThreadedFine
    170,0005091274A17700000
    1/2"3/8"1/4"Fully ThreadedFine
    170,0005091274A17800000
    3/4"3/8"1/4"Fully ThreadedFine
    170,0005091274A17900000
    1"3/8"1/4"Fully ThreadedFine
    170,0005091274A18100000
     
    5/16"-18
    3/8"15/32"5/16"Fully ThreadedCoarse
    170,0002591274A22400000
    1/2"15/32"5/16"Fully ThreadedCoarse
    170,0002591274A2280000
    5/8"15/32"5/16"Fully ThreadedCoarse
    170,0002591274A2320000
    3/4"15/32"5/16"Fully ThreadedCoarse
    170,0002591274A2360000
    7/8"15/32"5/16"Fully ThreadedCoarse
    170,0002591274A24000000
    1"15/32"5/16"Fully ThreadedCoarse
    170,0002591274A24400000
    1 1/4"15/32"5/16"Fully ThreadedCoarse
    170,0002591274A2480000
    1 1/2"15/32"5/16"Fully ThreadedCoarse
    170,0002591274A25200000
    1 3/4"15/32"5/16"Partially ThreadedCoarse
    170,0002591274A25600000
    2"15/32"5/16"Partially ThreadedCoarse
    170,0002591274A26000000
    2 1/4"15/32"5/16"Partially ThreadedCoarse
    170,0001091274A2640000
    2 1/2"15/32"5/16"Partially ThreadedCoarse
    170,0001091274A26800000
    2 3/4"15/32"5/16"Partially ThreadedCoarse
    170,0001091274A2720000
    3"15/32"5/16"Partially ThreadedCoarse
    170,0001091274A27600000
    3 1/4"15/32"5/16"Partially ThreadedCoarse
    170,0001091274A28000000
    3 1/2"15/32"5/16"Partially ThreadedCoarse
    170,0001091274A28400000
    4"15/32"5/16"Partially ThreadedCoarse
    170,000591274A28800000
     
    3/8"-16
    1/2"9/16"3/8"Fully ThreadedCoarse
    170,0002591274A29200000
    5/8"9/16"3/8"Fully ThreadedCoarse
    170,0002591274A29600000
    3/4"9/16"3/8"Fully ThreadedCoarse
    170,0002591274A30000000
    7/8"9/16"3/8"Fully ThreadedCoarse
    170,0002591274A30400000
    1"9/16"3/8"Fully ThreadedCoarse
    170,0002591274A30800000
    1 1/4"9/16"3/8"Fully ThreadedCoarse
    170,0002591274A31200000
    1 1/2"9/16"3/8"Fully ThreadedCoarse
    170,0001091274A3160000
    1 3/4"9/16"3/8"Partially ThreadedCoarse
    170,0001091274A3200000
    2"9/16"3/8"Partially ThreadedCoarse
    170,0001091274A3240000
    2 1/4"9/16"3/8"Partially ThreadedCoarse
    170,0001091274A32800000
    2 1/2"9/16"3/8"Partially ThreadedCoarse
    170,0001091274A33200000
    2 3/4"9/16"3/8"Partially ThreadedCoarse
    170,0001091274A33600000
    3"9/16"3/8"Partially ThreadedCoarse
    170,0001091274A34000000
    3 1/4"9/16"3/8"Partially ThreadedCoarse
    170,000591274A3440000
    3 1/2"9/16"3/8"Partially ThreadedCoarse
    170,000591274A3480000
    4"9/16"3/8"Partially ThreadedCoarse
    170,000591274A35200000
    4 1/2"9/16"3/8"Partially ThreadedCoarse
    170,000591274A35600000
    5"9/16"3/8"Partially ThreadedCoarse
    170,000591274A36000000
    5 1/2"9/16"3/8"Partially ThreadedCoarse
    170,000191274A3640000
    6"9/16"3/8"Partially ThreadedCoarse
    170,000191274A3680000
     
    7/16"-14
    5/8"0.656"7/16"Fully ThreadedCoarse
    170,0001091274A37600000
    1"0.656"7/16"Fully ThreadedCoarse
    170,000591274A3840000
    1 1/4"0.656"7/16"Fully ThreadedCoarse
    170,0001091274A38800000
    1 1/2"0.656"7/16"Fully ThreadedCoarse
    170,0001091274A39200000
    1 3/4"0.656"7/16"Fully ThreadedCoarse
    170,0001091274A39600000
    2"0.656"7/16"Partially ThreadedCoarse
    170,0001091274A40000000
    2 1/4"0.656"7/16"Partially ThreadedCoarse
    170,000591274A40400000
    2 1/2"0.656"7/16"Partially ThreadedCoarse
    170,000591274A40800000
    3"0.656"7/16"Partially ThreadedCoarse
    170,000591274A41600000
    3 1/2"0.656"7/16"Partially ThreadedCoarse
    170,000591274A42000000
    4"0.656"7/16"Partially ThreadedCoarse
    170,000591274A42400000
     
    1/2"-13
    1/2"3/4"1/2"Fully ThreadedCoarse
    170,0001091274A42800000
    5/8"3/4"1/2"Fully ThreadedCoarse
    170,000591274A43200000
    3/4"3/4"1/2"Fully ThreadedCoarse
    170,0001091274A43600000
    7/8"3/4"1/2"Fully ThreadedCoarse
    170,0001091274A44000000
    1"3/4"1/2"Fully ThreadedCoarse
    170,0001091274A44400000
    1 1/4"3/4"1/2"Fully ThreadedCoarse
    170,0001091274A44800000
    1 1/2"3/4"1/2"Fully ThreadedCoarse
    170,0001091274A45200000
    1 3/4"3/4"1/2"Fully ThreadedCoarse
    170,0001091274A45600000
    2"3/4"1/2"Fully ThreadedCoarse
    170,0001091274A46000000
    2 1/4"3/4"1/2"Partially ThreadedCoarse
    170,000591274A4640000
    2 1/2"3/4"1/2"Partially ThreadedCoarse
    170,000591274A4680000
    2 3/4"3/4"1/2"Partially ThreadedCoarse
    170,000591274A47200000
    3"3/4"1/2"Partially ThreadedCoarse
    170,000591274A47600000
    3 1/4"3/4"1/2"Partially ThreadedCoarse
    170,000591274A48000000
    3 1/2"3/4"1/2"Partially ThreadedCoarse
    170,000591274A48400000
    3 3/4"3/4"1/2"Partially ThreadedCoarse
    170,000191274A4880000
    4"3/4"1/2"Partially ThreadedCoarse
    170,000591274A49200000
    4 1/2"3/4"1/2"Partially ThreadedCoarse
    170,000191274A4960000
    5"3/4"1/2"Partially ThreadedCoarse
    170,000191274A5000000
    5 1/2"3/4"1/2"Partially ThreadedCoarse
    170,000191274A5040000
    6"3/4"1/2"Partially ThreadedCoarse
    170,000191274A5080000
    6 1/2"3/4"1/2"Partially ThreadedCoarse
    170,000191274A5120000
    7"3/4"1/2"Partially ThreadedCoarse
    170,000191274A5160000
    8"3/4"1/2"Partially ThreadedCoarse
    170,000191274A52000000
     
    5/8"-11
    1"15/16"5/8"Fully ThreadedCoarse
    170,000591274A18200000
    1 1/4"15/16"5/8"Fully ThreadedCoarse
    170,000591274A18300000
    1 1/2"15/16"5/8"Fully ThreadedCoarse
    170,000591274A18500000
    1 3/4"15/16"5/8"Fully ThreadedCoarse
    170,000591274A18600000
    2"15/16"5/8"Partially ThreadedCoarse
    170,000591274A18700000
     
    3/4"-10
    1 1/2"1 1/8"3/4"Fully ThreadedCoarse
    170,000191274A1890000
    1 3/4"1 1/8"3/4"Fully ThreadedCoarse
    170,000191274A1910000
    2"1 1/8"3/4"Fully ThreadedCoarse
    170,000191274A1930000
    2 1/2"1 1/8"3/4"Partially ThreadedCoarse
    170,000191274A1940000
    3"1 1/8"3/4"Partially ThreadedCoarse
    170,000191274A1950000
     
    1"-8
    2"1 1/2"1"Fully ThreadedCoarse
    170,000191274A1970000
    3"1 1/2"1"Partially ThreadedCoarse
    170,000191274A19800000
    4"1 1/2"1"Partially ThreadedCoarse
    170,000191274A19900000
     
    M3 × 0.5 mm
    5 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1010000
    6 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A1100000
    6 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1020000
    8 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A1220000
    8 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1030000
    10 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1050000
    12 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1060000
    16 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1070000
    20 mm5.5 mm3 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1090000
    25 mm5.5 mm3 mmPartially ThreadedCoarse
    170,000Class 12.9
    2591274A1110000
     
    M4 × 0.7 mm
    5 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1130000
    6 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A2210000
    6 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1140000
    8 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A2340000
    8 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1150000
    10 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A2470000
    10 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1170000
    12 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A2600000
    12 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1180000
    16 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A2730000
    16 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1190000
    20 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A28600000
    20 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1210000
    25 mm7 mm4 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A1220000
     
    M5 × 0.8 mm
    6 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1230000
    8 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1250000
    10 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A33200000
    10 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1260000
    12 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5095263A34600000
    12 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1270000
    14 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A3600000
    16 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A3740000
    16 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1290000
    20 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A3880000
    20 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1310000
    25 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A4020000
    25 mm8.5 mm5 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1330000
    30 mm8.5 mm5 mmPartially ThreadedCoarse
    170,000Class 12.9
    5091274A1340000
     
    M6 × 1 mm
    8 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A1350000
    10 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1370000
    12 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A5160000
    12 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1380000
    16 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A5310000
    16 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1390000
    20 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A5460000
    20 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1410000
    25 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A5610000
    25 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1420000
    30 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A57600000
    30 mm10 mm6 mmFully ThreadedCoarse
    170,000Class 12.9
    5091274A1430000
     
    M8 × 1.25 mm
    12 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A1450000
    16 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    2595263A60500000
    16 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A1460000
    20 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A6190000
    20 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A1470000
    25 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A6330000
    25 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A1490000
    30 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A6470000
    30 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A1510000
    35 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A6610000
    35 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A15300000
    40 mm13 mm8 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A67500000
    40 mm13 mm8 mmPartially ThreadedCoarse
    170,000Class 12.9
    1091274A1540000
     
    M10 × 1.5 mm
    16 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    2591274A15500000
    20 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A7350000
    20 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A1570000
    25 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A7430000
    25 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A1580000
    30 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A75100000
    30 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A1590000
    35 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A75900000
    35 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A1610000
    40 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1095263A76700000
    40 mm16 mm10 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A1620000
     
    M12 × 1.75 mm
    20 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A1630000
    25 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    595263A8460000
    25 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A1650000
    30 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    595263A8590000
    30 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A1660000
    40 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    595263A87200000
    40 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    1091274A16700000
    50 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    595263A88500000
    50 mm18 mm12 mmFully ThreadedCoarse
    170,000Class 12.9
    591274A1690000
     
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